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API changelog · Preview

Changes by release

Roadmap to v1.0 launch. The v1 major will be frozen against breaking changes for at least 6 months before deprecation; additive changes (new fields, new endpoints, new event types) will ship as minor versions. Make sure your client tolerates unknown fields when you wire it up after launch.

Compatibility policy

  • Major (v2 etc): incompatible changes to existing endpoints. Always shipped with at least 6 months of overlap with the prior major. We email every API key holder on the deprecation announcement.
  • Minor (1.x): additive changes — new endpoints, new optional request parameters, new fields on responses, new event types. Safe to upgrade automatically.
  • Patch: bug fixes, performance, security. No observable contract change.

v1.4.0

minor Coming soon

API key management endpoints + readiness probe.

  • added GET / POST / DELETE `/v1/account/api-keys` for programmatic key lifecycle.
  • added GET `/v1/account` returns account info, billing mode, balance, retention preference.
  • added GET `/v1/health/deep` — per-component readiness (database, cache, ML inference, translation, billing, email).
  • added Webhook `balance.low` event when PAYG / API-only balance falls below $5.
  • added X-RateLimit-Limit / X-RateLimit-Remaining / X-RateLimit-Reset headers returned on every response.

v1.3.0

minor Coming soon

Deep-scan strategies + per-paragraph uncertainty band.

  • added `mc_dropout_band` and `combo` strategies on `/v1/detect/deep`. Returns calibrated uncertainty.
  • added `ai_prob_std` and `confidence_band` fields on deep response.
  • changed Deep response `band` now comes from the full aggregator for consistency with `/v1/detect`.

v1.2.0

minor Coming soon

Pricing quote on every detection.

  • added `pricing_quote` field on every `/v1/detect` and `/v1/detect/deep` response showing both billing modes.
  • added Per-API-key billing mode selection (per_word vs per_detection). Switch any time in the dashboard.
  • added Webhook `subscription.activated` / `subscription.canceled` / `subscription.past_due` events.

v1.1.0

minor Coming soon

Plagiarism endpoint goes GA.

  • added `/v1/plagiarism` — multi-source scan (open web + 5 academic sources + Wikipedia).
  • added `/v1/plagiarism/scans` history endpoints.
  • added Webhook `plagiarism.completed` event.

v1.0.0

major Coming soon

v1 public API GA. Compatibility guaranteed through at least 2026-09.

  • added `/v1/detect` — advanced AI detection model. Industry-leading accuracy trained on 2B+ samples.
  • added `/v1/detect/deep` — per-paragraph deep scan with multiple analysis strategies (paragraph_vote, sliding_window).
  • added `/v1/usage` — billing-cycle usage + per-day breakdown.
  • added `/v1/health` — liveness probe (no auth).
  • added Webhook `detection.completed` event with HMAC-SHA256 signing.
  • added Official @deepaidetector/client (npm) and deepaidetector (pypi) SDKs.

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